Abstract: A member for use in undersea applications comprising a plurality of conduits assembled into a bundle; the bundle being wrapped with a pressure-sensitive tape comprising a backing, a layer of corrosion-resistant filaments on one surface of the backing, and pressure-sensitive adhesive layer that coats the filaments and binds them to the backing.

Abstract: A support system for moving a rollable material between a stored configuration and an unrolled configuration. The rollable material may be a projection screen, and the unrolled configuration may be a viewing configuration.

Abstract: A vapor cooled insulation structure includes at least one vapor sealed layer, created with discrete spacers between two layers. A vapor transport layer is created within these layers through which a cold fluid may flow to intercept and remove heat from an underlying structure. In one example, the vapor cooled system carries cold vapor which is in direct contact with an underlying cryogenic tank structural support.

Abstract: A multilumen catheter assembly includes a unitary portion and at least two distal end tubes extending distally from the unitary portion. The unitary portion includes an exterior having a generally circular shape in cross section and is attached to the at least two distal end tubes. In one embodiment, the catheter assembly may be made by extruding a unitary tube having internal longitudinally extending lumens, then splitting the unitary tube at a distal end portion of the unitary tube to form the at least two distal end tubes. The at least two distal end tubes are then ground and polished. In another embodiment, the catheter assembly may be made by extruding the at least two distal end tubes and permanently bonding proximal ends thereof to form the unitary portion.

Abstract: A downhole apparatus can include a first lateral tubing support that comprises: a body; a first passage extending through the body; and a second passage extending through the body. The first and second passage are spaced in parallel arrangement, and the body extends continuously and uninterruptedly in a direction transverse to the parallel directions of extension of the first and second passages, from the first passage to the second passage. The lateral tubing string can also include a first tubular and a second tubular spaced in parallel arrangement. The first passage is configured to at least partially encircle the first tubular and the second passage is configured to at least partially encircle the second tubular, with the first lateral tubing support increasing a radial and/or axial compressive load rating of the lateral tubing string.

Abstract: Assemblies and methods provide for implantation of multiple medical leads to a defined space within the body, such as the epidural space, through a single entry. A catheter having multiple lumens or alternatively a single oblong lumen may be used. A distal end of the catheter enters the defined space through the single entry such that the distal ends of the multiple lumens or the oblong lumen are present in the defined space. Medical leads are introduced through the multiple lumens or the oblong lumen into the defined space. In some cases, the distal end of the catheter may be deflectable to direct the medical leads within the defined space. In other cases, sheaths may be present within each lumen of the catheter where the sheaths may be extended into the defined space and deflect to direct the medical leads that are being passed through a lumen of the sheaths.

Abstract: A cable includes: a linear conductor; a plurality of resin hollow tubes which are disposed around the conductor so that an air layer is formed around the conductor and which extend in a longitudinal direction of the conductor; an insulating protective member configured to protect the conductor and the plurality of hollow tube; and a partitioning portion provided in at least one hollow tube among the plurality of hollow tubes, the partitioning portion being configured to partition an interior of the hollow tube.

Abstract: A component for a gas turbine engine includes a first region formed substantially of a first CMC material, wherein first region defines a first thermal conductivity. The component further includes a second region formed substantially of a second CMC material, wherein the second region defines a second thermal conductivity. Further, the component defines a thickness and the first region is positioned adjacent to the second region along the thickness, wherein the first thermal conductivity is different than the second thermal conductivity to alert a thermal profile of the component.

Abstract: A cable includes: a linear conductor; a plurality of resin hollow tubes which are disposed around the conductor so that an air layer is formed around the conductor and which extend in a longitudinal direction of the conductor; an insulating protective member configured to protect the conductor and the plurality of hollow tube; and a partitioning portion provided in at least one hollow tube among the plurality of hollow tubes, the partitioning portion being configured to partition an interior of the hollow tube.

Abstract: Provided are drainage systems that may include a drainage manifold and may be suitable for draining fluid from a tissue site. The drainage manifold may include a plurality of elongate members having a moveable end that may be adapted to configure the drainage manifold to treat a uniquely shaped tissue site. The drainage manifold may be coupled to a drainage tube with a transitional connector to provide a drainage system capable of distributing reduced pressure to the tissue site to enhance the drainage of fluids.

Abstract: Various implementations include methods and apparatuses for connecting concrete structural elements, such as pre-cast concrete structural elements. In one implementation, an apparatus includes a first concrete structural element into which a first duct is pre-cast, a second concrete structural element into which a second duct is pre-cast, and a duct coupler that couples the first duct in fluid communication with the second duct and prevents adhesive from flowing into the first or second duct when the first and second concrete structural elements are coupled together. In another implementation, a method of forming a concrete structural element includes disposing at least a portion of a duct within a form for receiving poured concrete, disposing a duct holder through an opening in the form and coupling the duct holder with the duct to hold the duct in position within the form during pouring, and removing the duct holder after the concrete hardens.

Abstract: A silencer duct that may be part of, for example, a turbomachine inlet and may include a duct body, and a silencer element extending axially through the duct body. A first portion of a coupler may extend axially from a first side of the duct body. A second portion of a coupler may extend axially from a second side of the duct body. At least one of the first portion of the coupler and the second portion of the coupler are configured to couple to at least one of an adjacent silencer duct and an inlet.

Abstract: A propulsion chamber for a liquid propellant rocket engine is provided. The propulsion chamber includes an inside wall made of metal, an outside covering made of organic matrix composite material, and a cooling circuit arranged between the outside covering and the inside wall. The propulsion chamber further includes at least a first axial endpiece secured to the metal inside wall and presenting at least one radial protrusion received in a concave recess in an inside face of the outside covering. The concave recess is situated axially between first and second belts of reinforcing fibers oriented substantially circumferentially in the outside covering in such a manner as to take up forces associated with inside pressure and thrust.

Abstract: In an example implementation, a fluid supply assembly includes a printhead assembly and a fluid conduit interconnect to connect to a fluid conduit to communicate printing fluid from an off-axis printing fluid supply through the fluid conduit interconnect to the printhead assembly. The fluid supply assembly includes a carriage with a dual attachment mechanism to simultaneously attach the printhead assembly to the fluid conduit interconnect and to the carriage by a single user action.

Abstract: An assembly for use in a well, where the assembly includes a casing section, a modular carrier body, at least one securing ring, and at least one at least one port through the modular carrier body for connecting a compression fitting for at least one fiber optic line. The modular carrier body has a shape that can conform to the outer diameter of the casing section, and has a carrier body interior to house at least one fiber optic line, and a fiber optic line splicing assembly. At least one securing ring has a shape conformable to both the outer diameter of the casing section and a portion of a surface of the modular carrier body. The assembly can have two securing rings on either end of the modular carrier body as it is mounted to the casing.

Abstract: Air intake duct for supplying air to a turbine engine gas generator, in particular an aircraft turbine engine, extending axially between the air intake and the gas generator and having a deflection which may cause shedding of the boundary layer formed by the air flow along the wall of the duct, wherein said air intake duct comprises a guiding element located in the duct and designed to guide the air along the wall of the duct to a portion having the deflection, said guiding element extending transversely to the direction of the flow of air and having at the ends thereof two end profiles that form a non-zero angle with the guiding element, said two end profiles being able to produce eddies in the air flow.

Abstract: A system for organizing, insulating and supporting pipes within a mechanical/electrical/plumbing (MEP) rack including a composite panel supported in the rack, the composite panel being fabricated from a first non-metallic panel and a second metallic panel, the first panel being adhered to a rear surface of the second panel. A plurality of passageways extend through the composite panel, each passageway being defined by a first opening extending through the first panel and a second opening extending through the second panel. So that the innermost diameter of the first passageway is defined by the first panel, the second opening is arranged concentrically around the first opening.

Abstract: A method has the following steps: a) providing an undersea foundation arranged on the bed of a body of water; b) laying a section of pipe and of an in-line structure on the foundation and allowing the section of pipe to freely self-orient on the foundation; c) placing at least one guide on the foundation on both sides of the section of pipe; d) blocking the guide on the foundation to laterally clamp the section of pipe with respect to the foundation, while authorizing a longitudinal movement of the section of pipe with respect to the guide.

Abstract: A composite truss structure may have a first facesheet, a second facesheet, and a plurality of truss elements joined with the first facesheet and the second facesheet at nodes to form a one-piece structure. The composite truss structure may be formed by a method comprising preparing a dry fabric mold by: 1) placing a first dry fabric layer on a tool, 2) placing a first layer of fabric-loaded mandrels on the first dry fabric layer, 3) placing a second layer of the fabric-loaded mandrels on the first layer of fabric-loaded mandrels, and 4) placing a second dry fabric layer over the fabric-loaded mandrels. The method may further comprise infusing the dry fabric mold with a resin, and curing the resin to provide the nonflexible composite truss structure.

Abstract: An electrodischarge apparatus has a nozzle that includes a discharge chamber that has an inlet for receiving water and an outlet. The apparatus has a first electrode extending into the discharge chamber that is electrically connected to one or more high-voltage capacitors. A second electrode is proximate to the first electrode to define a gap between the first and second electrodes. A switch causes the one or more capacitors to discharge across the gap between the electrodes to create a plasma bubble which expands to form a shockwave that escapes from the nozzle ahead of the plasma bubble.

Abstract: An apparatus for detecting acoustic signals in housing is disclosed. The housing may be housing of a wellbore, riser, tubular or pipeline or the like for transporting fluids or housing of a vessel for storing fluids. The apparatus comprises a longitudinally extending tube having an internal surface and an external surface, a longitudinally extending fiber optic cable disposed within the tube, and one or more than one longitudinally extending outer fins radially extending outwards from and coupled with the external surface of the tube. The outer fin is configured to project towards the housing and allows fluid between the external surface of the tube and the housing when the apparatus is positioned in the housing. The apparatus may alternatively comprise a longitudinally extending fiber optic cable coated with a coating and one or more than one longitudinally extending outer fin radially extending outwards from and coupled with the coated fiber optic cable.

Abstract: The present invention relates to a method for manufacturing a canal component which comprises a connection portion 104, 106 designed to come into contact with a component 100, in particular an adjacent canal component, which is to be connected to the canal component 100, the method comprising the following steps: providing a concrete base body, coating the base body with a plasticized plastics material 110 in the region of the connection portion 104, 106 and in the region of an internal wall (108) of the base body facing the canal inner space 106, and curing the plastics material (110).

Abstract: A system for organizing, insulating and supporting pipes within a mechanical/electrical/plumbing (MEP) rack including a composite panel supported in the rack, the composite panel being fabricated from a first non-metallic panel and a second metallic panel, the first panel being adhered to a rear surface of the second panel. A plurality of passageways extend through the composite panel, each passageway being defined by a first opening extending through the first panel and a second opening extending through the second panel. So that the innermost diameter of the first passageway is defined by the first panel, the second opening is arranged concentrically around the first opening.

Abstract: A portable, insulated shelter consists of flexible inner and outer layers, lightweight fabric panels located therebetween, and connected to each other, a suitable support frame, and a system, such as a HVAC unit and a suitable connector, for actively controlling the interior environment of the shelter. The shelter may be used to protect and provide livable conditions in harsh, remote locations. Methods of selectively installing and removing the fabric panels are also provided, along with methods of setting up and disassembling the shelter.

Abstract: The disclosure relates to medical tubes and methods of manufacturing medical tubes. The tube may be a composite structure made of two or more distinct components that are spirally wound to form an elongate tube. For example, one of the components may be a spirally wound elongate hollow body, and the other component may be an elongate structural component also spirally wound between turns of the spirally wound hollow body The tube need not be made from distinct components, however. For instance, an elongate hollow body formed (e.g., extruded) from a single material may be spirally wound to form an elongate tube. The elongate hollow body itself may in transverse cross-section have a thin wall portion and a relatively thicker or more rigid reinforcement portion. The tubes can be incorporated into a variety of medical circuits or may be employed for other medical uses.

Abstract: A humidification system comprises a first sensor and a second sensor. The first and second sensors are adapted to sense flow characteristics within the system. The first and second sensors are isolated from the flow by barriers formed by respective first and second sealing members. The sealing members extend through apertures formed in the system and have a portion that contacts the sensing elements of the respective first and second sensors. A cartridge can hold the sensors and provide repeatable penetration depths into a flow passage of the system. A medical tube has a composite structure made of two or more distinct components that are spirally wound to form an elongate tube. One component can be a spirally wound elongate hollow body; the other component can be an elongate structural component spirally wound between turns of the spirally wound hollow body.

Abstract: A coupling that includes a rigid inner shell, a rigid outer shell positioned around the inner shell to define an intermediate space that contains an electric line and a thermally insulating layer, and an electric connecting line for heating fluid that flows in the inner shell.

Abstract: A repeatedly usable downhole pumping assembly including; a conduit comprising a plurality of pipes, wherein the pipes are uniformly entwined together along their length to provide multiple fluid passageways, wherein the conduit is to be wound onto a reel and off the reel repeatedly; a rotatably mounted reel, upon which the conduit is adapted to be wound without collapsing; a pump for pumping fluid through the conduit; and a driving means to lower and raise the conduit relative to the bore.

Abstract: A geothermal heat exchange apparatus which is a flexible assembly of a plurality of pipes twisted on a central conduit. The central conduit has a tubular structure. The plurality of pipes is twisted around the central conduit. The plurality of pipes is connects to an external environmental conditioning apparatus that supplies a heat exchange liquid for the transfer of heat through the plurality of pipes. The geothermal heat exchange apparatus is adapted for positioning in a hole in the earth for the exchange of heat.

Abstract: An insert is configured to be inserted into a heat exchanger having a plurality of tubes. The insert includes a base and a multiple blades. The blades are extended from the base. At least one of the blades has a spring portion. The spring portion is resiliently deformable and configured to be resiliently inserted between two of the tubes.

Abstract: An insert is configured to be inserted into a heat exchanger having a plurality of tubes. The insert includes a base and a multiple blades. The blades are extended from the base. At least one of the blades has a spring portion. The spring portion is resiliently deformable and configured to be resiliently inserted between two of the tubes.

Abstract: An air exhaust device for a vehicle body panel, which can prevent the inflow of noise, dust and exhaust gas while providing a ventilation function for discharging indoor air to the outside and can enhance a stiffness around an aperture, may include a main body plate, a filtering member, and an air exhaust passage. The main body plate is coupled to the vehicle body panel to block the aperture. The filtering member is disposed in a reception part of the main body plate to block foreign substances introduced from the outside and to allow air passing through. The air exhaust passage extends from the reception part to the outside of the vehicle body panel to discharge the air passing through the filtering member to the outside.

Abstract: A compressor rectifier of a turbomachine including a plurality of stationary blades extending in a circular fashion between an inner shroud and an outer shroud that are concentric and define interblade channels forming an air duct in which air to be compressed flows, the inner shroud including at least one vortex generator extending into the air duct to reduce corner vortices. The vortex generator is positioned axially in the interblade channel, between the axial position of a leading edge of the blades and those of a trailing edge thereof.

Abstract: Disclosed are apparatus, systems and methods for maintaining desired thermal properties of a flowing hydrocarbon fluid in a subsea pipeline. An insulating layer including a plurality of elongated hollow elements containing an insulation material can surround the pipeline. The apparatus can be located on a seabed and connected to a source of hydrocarbon fluid at one end and to a facility for processing hydrocarbon fluid at another end. One method includes spirally winding an elongated hollow element containing an insulation material around the subsea pipeline. One method includes wrapping the subsea pipeline with a connecting layer which includes surface protrusions protruding radially outwards. An insulating layer having surface features reversibly engageable with the surface protrusions of the connecting layer can be reversibly attached to the connecting layer by engaging the surface features of the at least one elongated hollow element with the surface protrusions of the connecting layer.

Abstract: The present invention provides a construction (1) comprising a first element (2) extending between a first (3) and a second (4) opposite free end and comprising a first duct (5) forming an opening (6,7) in each of the first and second free ends. The construction further comprises a second element (8) extending between a third (9) and a fourth (10) opposite free end and comprising a second duct (11) forming an opening (12,13) in each of the third and fourth free ends. The first (2) and second (8) elements are arranged so that the second end (4) and the third end (9) are facing each other. Furthermore, the construction comprises a tubular link (14) with a body of a flexible material, which the tubular link is arranged to provide communication between the first (5) and second (11) ducts, thereby providing an uninterrupted duct from the first end to the fourth end.

Abstract: A penetrator device has an outer housing of non-conductive, insulating material having a through bore, at least one conductive pin formed in one or two parts extending through the housing and having a first end portion and a second end portion extending out of the respective first and second ends of the housing, a first cladding layer bonded over the first end portion of the pin to form a first bonded assembly, a second cladding layer bonded over the second end portion of the pin to form a second bonded assembly, and the material of the first and second cladding layer comprising a corrosion resistant conductive material different from the pin material.

Abstract: A method for governing the elevation, attitude and structural integrity of a pressure-containing vessel in a body of liquid counterbalances flotation and incompressible ballast mediums against each other in separate serial compartments. Varying the quantity of incompressible ballast medium allows control of the elevation and attitude of the vessel. If the flotation medium is compressible, varying the quantity of flotation medium allows control of the ambient pressure of the vessel. The method facilitates floating and towing and laying of an undersea pipeline on, to and at a deep water site.

Abstract: A fitting for coupling ends of cores of three insulated conductors includes an end termination placed over end portions of the three insulated conductors. The end termination includes three separate openings that pass through the end termination longitudinally. Each of the insulated conductors passes through one of the openings with end portions of the insulated conductors protruding from one side of the end termination. Exposed cores of the end portions of the insulated conductors protrude from the end termination. A cylinder is coupled to the side of the end termination from which the end portions of the insulated conductors protrude. An electrical bus is coupled to the exposed portion of the cores. Electrically insulating material fills the cylinder such that the cores are substantially enclosed in the electrically insulating material. An end cap is coupled to the cylinder to seal off the interior of the cylinder.

Abstract: A gas turbine engine 10 comprises at least one rigid raft assembly that has a fluid passageway 210 at least partially embedded therein. The fluid passageway 210 is at least a part of a fluid system. In addition to the fluid passageway 210, the rigid raft assembly 200 also has at least a part of another system. For example, the rigid raft assembly may also include electrical conductors 252, which are part of an electrical system. The rigid raft assembly 200 may be lighter, easier to assemble, more robust and more compact than conventional solutions for providing systems to gas turbine engines.

Abstract: A method of additively manufacturing is used to produce a component with an internal cooling channel for conveying a fluid. Powders in a powder bed are selectively fused to form a shaped layer of a body of the cooled component. The fusing is repeated on a layer-by-layer basis to form the body of the component with the internal cooling channel extending within the body, so that a peripheral wall of the internal cooling channel has a geometry that allows the peripheral wall to be self-supporting.

Abstract: A fluid circuit for use with a fluid processing assembly, the fluid circuit comprising an umbilicus having a first end, a second end, an axis of rotation, and a cross-sectional circumference; a one-piece bearing secured to the umbilicus at a location between the first and second ends, the bearing having an axis of rotation and including an inner lumen which directly engages the umbilicus and includes a plurality of traction features, which bear against the umbilicus to prevent relative rotation of the bearing and the umbilicus; and the plurality of traction features comprising a first traction feature configured to engage the umbilicus at a first set of lengths between the first and second ends and a second traction feature configured to engage the umbilicus at a second set of lengths between the first and second ends.

Abstract: A gas turbine includes a turbine blade, a turbine vane, a ring segment circumferentially surrounding the turbine blade, an outer shroud circumferentially surrounding the turbine vane, and a combustion gas flow-path provided in the ring segment and the outer shroud. The outer shroud is positioned on an upstream side of the ring segment in a gas flow direction of the combustion gas. Seal gas, of which temperature is lower than that of the combustion gas, is fed between the ring segment- and the outer shroud into the combustion gas flow-path. The outer shroud has a guide surface that is provided on an inner circumference thereof on a downstream side of the gas flow direction. The guide surface is formed such that a flow passage area of the combustion gas flow-path is gradually increased.

Abstract: A snorkel for allowing an all-terrain vehicle (ATV?) to travel while at least partially submerged, in which the snorkel is constructed with an octagonal riser and auxiliary tube guides.

Abstract: A soundproof cover (30) is equipped with: multiple unit soundproof covers (31R, 31L) forming a portion of the circumferential cross section (30s); and connecting parts (35) provided on the periphery of the circumferential cross section (30s), and connecting the multiple unit soundproof covers (31R, 31L) in a detachable manner. The multiple unit soundproof covers (31R, 31L) are configured so as to be capable of being attached and detached with respect to a muffler (20) by moving the unit covers in a direction (the radial direction (R)) orthogonal to the axial direction (A) of the muffler (20).

Abstract: The invention relates to the implementation of a fluid transportation pipe. In order to achieve this, the pipe is equipped with a ballasting system, and, along a laying axis, the pipe, thus equipped, is immersed in a fluid having movement, such as the sea. A ballast mass of the ballasting system then substantially causes at least this ballasting system to sink.

Abstract: A beverage dispensing assembly 10 comprises a beverage distribution python 18 extending between a beverage storage area and a beverage tapping area. The beverage distribution python 18 comprises a liquid carrying line defining a center line 22. The liquid carrying line comprises a beverage tube 16 and/or a beverage guide tube. The beverage distribution python 18 further comprises a pipe 34 covering the liquid carrying line in a coaxial relationship to the center line and establishing a space in-between the pipe 34 and the liquid carrying line. An insulation layer 32 comprises at least 80% aerogel by volume is located in the space between the pipe 34 and the liquid carrying line and encircles the liquid carrying line.

Abstract: A filling connector (10) for filling a liquid container comprises a liquid pipeline (12), for conveying liquid from a liquid inlet end (16) portion having a liquid inlet opening (14) to a liquid outlet end portion (20) having a liquid outlet opening (18), and further comprises a gas pipeline (22), for conveying gas in the opposite flow direction while liquid is conveyed through the liquid pipeline (12), from a gas inlet end portion (26) having a gas inlet opening (24) to a gas outlet end portion (30) having a gas outlet opening (28), the liquid pipeline (12) and the gas pipeline (22) being formed integrally with one another and the filling connector (10) being formed as an injection-molded part, the gas pipeline (22) being manufactured using injection technology, such as fluid injection technology, in particular water injection technology, particularly preferably gas injection technology or projectile injection technology.

Abstract: A microfluidic system with a plurality of sequential T-junctions for performing reactions in a plurality of droplets (plugs) of micro- to femtoliter volumes is disclosed. The microfluidic system is configured such that the plurality of plugs are flowing through a loading component, with the loading component splitting the plurality of plugs at each of the plurality of downstream T-junctions and each inlet of the plurality of detachable holding components is configured to be operably coupled with at least one of outlets of the plurality of downstream T-junctions so that the holding components received a plurality of split plugs in the immiscible carrier fluid from the loading component.

Abstract: A low cost hybrid horizontal drainpipe heat exchanger using a mixture of plastic and copper to reduce cost, the heat exchanger including a conduit which has upper and lower tube segments sealed together along respective longitudinal edges so as to create a tube or a pipe wherein the lower segment is thermally conductive and the upper segment is thermally insulative, the arrangement being such that any drainwater flowing through the drainpipe will flow interiorly on the lower segment for heat exchange purposes.

Abstract: An elongate tape and method of producing an elongate tape are disclosed. The tape is suitable for forming a helically wound layer of interlocked windings in a flexible pipe body, and is configured for interlocking with adjacent windings, wherein the tape has a cross-sectional profile including: a first surface that in use forms a radially inner surface of the helically wound layer; a further surface, in use forming a side wall extending radially outwards, away from the first surface, and for forming a contact surface with a region of an adjacent winding; and a transition surface joining the first surface and further surface, wherein the transition surface comprises a curved surface, and wherein the curved surface has a larger radius of curvature in a region proximate the first surface than in a region proximate the further surface.